Home / 3,012.66-4,158.63-2,017.58

Finding the Fourth Proportional to 3,012.66, 4,158.63 and 2,017.58

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Solution

The fourth proportional to 3,012.66, 4,158.63 and 2,017.58 is: 2,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.66 : 4,158.63 = 2,017.58 : x
  2. Step 2: Convert to fraction form
    3,012.66/4,158.63 = 2,017.58/x
  3. Step 3: Cross multiply
    3,012.66x = 4,158.63 × 2,017.58
  4. Step 4: Simplify right side
    3,012.66x = 8,390,347.92
  5. Step 5: Solve for x
    x = 8,390,347.92/3,012.66
  6. Step 6: Final answer
    x = 2,785.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.